1# 2# For a description of the syntax of this configuration file, 3# see Documentation/kbuild/kconfig-language.txt. 4# 5config ALPHA 6 bool 7 default y 8 help 9 The Alpha is a 64-bit general-purpose processor designed and 10 marketed by the Digital Equipment Corporation of blessed memory, 11 now Hewlett-Packard. The Alpha Linux project has a home page at 12 <http://www.alphalinux.org/>. 13 14config 64BIT 15 def_bool y 16 17config MMU 18 bool 19 default y 20 21config RWSEM_GENERIC_SPINLOCK 22 bool 23 24config RWSEM_XCHGADD_ALGORITHM 25 bool 26 default y 27 28config ARCH_HAS_ILOG2_U32 29 bool 30 default n 31 32config ARCH_HAS_ILOG2_U64 33 bool 34 default n 35 36config GENERIC_FIND_NEXT_BIT 37 bool 38 default y 39 40config GENERIC_CALIBRATE_DELAY 41 bool 42 default y 43 44config GENERIC_ISA_DMA 45 bool 46 default y 47 48config GENERIC_IOMAP 49 bool 50 default n 51 52config GENERIC_HARDIRQS 53 bool 54 default y 55 56config GENERIC_IRQ_PROBE 57 bool 58 default y 59 60config AUTO_IRQ_AFFINITY 61 bool 62 depends on SMP 63 default y 64 65source "init/Kconfig" 66 67 68menu "System setup" 69 70choice 71 prompt "Alpha system type" 72 default ALPHA_GENERIC 73 ---help--- 74 This is the system type of your hardware. A "generic" kernel will 75 run on any supported Alpha system. However, if you configure a 76 kernel for your specific system, it will be faster and smaller. 77 78 To find out what type of Alpha system you have, you may want to 79 check out the Linux/Alpha FAQ, accessible on the WWW from 80 <http://www.alphalinux.org/>. In summary: 81 82 Alcor/Alpha-XLT AS 600 83 Alpha-XL XL-233, XL-266 84 AlphaBook1 Alpha laptop 85 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, AS 400 86 Cabriolet AlphaPC64, AlphaPCI64 87 DP264 DP264 88 EB164 EB164 21164 evaluation board 89 EB64+ EB64+ 21064 evaluation board 90 EB66 EB66 21066 evaluation board 91 EB66+ EB66+ 21066 evaluation board 92 Jensen DECpc 150, DEC 2000 model 300, 93 DEC 2000 model 500 94 LX164 AlphaPC164-LX 95 Lynx AS 2100A 96 Miata Personal Workstation 433a, 433au, 500a, 97 500au, 600a, or 600au 98 Marvel AlphaServer ES47 / ES80 / GS1280 99 Mikasa AS 1000 100 Noname AXPpci33, UDB (Multia) 101 Noritake AS 1000A, AS 600A, AS 800 102 PC164 AlphaPC164 103 Rawhide AS 1200, AS 4000, AS 4100 104 Ruffian RPX164-2, AlphaPC164-UX, AlphaPC164-BX 105 SX164 AlphaPC164-SX 106 Sable AS 2000, AS 2100 107 Shark DS 20L 108 Takara Takara 109 Titan AlphaServer ES45 / DS25 110 Wildfire AlphaServer GS 40/80/160/320 111 112 If you don't know what to do, choose "generic". 113 114config ALPHA_GENERIC 115 bool "Generic" 116 help 117 A generic kernel will run on all supported Alpha hardware. 118 119config ALPHA_ALCOR 120 bool "Alcor/Alpha-XLT" 121 help 122 For systems using the Digital ALCOR chipset: 5 chips (4, 64-bit data 123 slices (Data Switch, DSW) - 208-pin PQFP and 1 control (Control, I/O 124 Address, CIA) - a 383 pin plastic PGA). It provides a DRAM 125 controller (256-bit memory bus) and a PCI interface. It also does 126 all the work required to support an external Bcache and to maintain 127 memory coherence when a PCI device DMAs into (or out of) memory. 128 129config ALPHA_XL 130 bool "Alpha-XL" 131 help 132 XL-233 and XL-266-based Alpha systems. 133 134config ALPHA_BOOK1 135 bool "AlphaBook1" 136 help 137 Dec AlphaBook1/Burns Alpha-based laptops. 138 139config ALPHA_AVANTI_CH 140 bool "Avanti" 141 142config ALPHA_CABRIOLET 143 bool "Cabriolet" 144 help 145 Cabriolet AlphaPC64, AlphaPCI64 systems. Derived from EB64+ but now 146 baby-AT with Flash boot ROM, no on-board SCSI or Ethernet. 3 ISA 147 slots, 4 PCI slots (one pair are on a shared slot), uses plug-in 148 Bcache SIMMs. Requires power supply with 3.3V output. 149 150config ALPHA_DP264 151 bool "DP264" 152 help 153 Various 21264 systems with the tsunami core logic chipset. 154 API Networks: 264DP, UP2000(+), CS20; 155 Compaq: DS10(E,L), XP900, XP1000, DS20(E), ES40. 156 157config ALPHA_EB164 158 bool "EB164" 159 help 160 EB164 21164 evaluation board from DEC. Uses 21164 and ALCOR. Has 161 ISA and PCI expansion (3 ISA slots, 2 64-bit PCI slots (one is 162 shared with an ISA slot) and 2 32-bit PCI slots. Uses plus-in 163 Bcache SIMMs. I/O sub-system provides SuperI/O (2S, 1P, FD), KBD, 164 MOUSE (PS2 style), RTC/NVRAM. Boot ROM is Flash. PC-AT-sized 165 motherboard. Requires power supply with 3.3V output. 166 167config ALPHA_EB64P_CH 168 bool "EB64+" 169 170config ALPHA_EB66 171 bool "EB66" 172 help 173 A Digital DS group board. Uses 21066 or 21066A. I/O sub-system is 174 identical to EB64+. Baby PC-AT size. Runs from standard PC power 175 supply. The EB66 schematic was published as a marketing poster 176 advertising the 21066 as "the first microprocessor in the world with 177 embedded PCI". 178 179config ALPHA_EB66P 180 bool "EB66+" 181 help 182 Later variant of the EB66 board. 183 184config ALPHA_EIGER 185 bool "Eiger" 186 help 187 Apparently an obscure OEM single-board computer based on the 188 Typhoon/Tsunami chipset family. Information on it is scanty. 189 190config ALPHA_JENSEN 191 bool "Jensen" 192 help 193 DEC PC 150 AXP (aka Jensen): This is a very old Digital system - one 194 of the first-generation Alpha systems. A number of these systems 195 seem to be available on the second- hand market. The Jensen is a 196 floor-standing tower system which originally used a 150MHz 21064 It 197 used programmable logic to interface a 486 EISA I/O bridge to the 198 CPU. 199 200config ALPHA_LX164 201 bool "LX164" 202 help 203 A technical overview of this board is available at 204 <http://www.unix-ag.org/Linux-Alpha/Architectures/LX164.html>. 205 206config ALPHA_LYNX 207 bool "Lynx" 208 help 209 AlphaServer 2100A-based systems. 210 211config ALPHA_MARVEL 212 bool "Marvel" 213 help 214 AlphaServer ES47 / ES80 / GS1280 based on EV7. 215 216config ALPHA_MIATA 217 bool "Miata" 218 help 219 The Digital PersonalWorkStation (PWS 433a, 433au, 500a, 500au, 600a, 220 or 600au). There is an Installation HOWTO for this hardware at 221 <http://eijk.homelinux.org/~stefan/miata.html>. 222 223config ALPHA_MIKASA 224 bool "Mikasa" 225 help 226 AlphaServer 1000-based Alpha systems. 227 228config ALPHA_NAUTILUS 229 bool "Nautilus" 230 help 231 Alpha systems based on the AMD 751 & ALI 1543C chipsets. 232 233config ALPHA_NONAME_CH 234 bool "Noname" 235 236config ALPHA_NORITAKE 237 bool "Noritake" 238 help 239 AlphaServer 1000A, AlphaServer 600A, and AlphaServer 800-based 240 systems. 241 242config ALPHA_PC164 243 bool "PC164" 244 245config ALPHA_P2K 246 bool "Platform2000" 247 248config ALPHA_RAWHIDE 249 bool "Rawhide" 250 help 251 AlphaServer 1200, AlphaServer 4000 and AlphaServer 4100 machines. 252 See HOWTO at 253 <http://www.alphalinux.org/docs/rawhide/4100_install.shtml>. 254 255config ALPHA_RUFFIAN 256 bool "Ruffian" 257 help 258 Samsung APC164UX. There is a page on known problems and workarounds 259 at <http://www.alphalinux.org/faq/FAQ-11.html>. 260 261config ALPHA_RX164 262 bool "RX164" 263 264config ALPHA_SX164 265 bool "SX164" 266 267config ALPHA_SABLE 268 bool "Sable" 269 help 270 Digital AlphaServer 2000 and 2100-based systems. 271 272config ALPHA_SHARK 273 bool "Shark" 274 275config ALPHA_TAKARA 276 bool "Takara" 277 help 278 Alpha 11164-based OEM single-board computer. 279 280config ALPHA_TITAN 281 bool "Titan" 282 help 283 AlphaServer ES45/DS25 SMP based on EV68 and Titan chipset. 284 285config ALPHA_WILDFIRE 286 bool "Wildfire" 287 help 288 AlphaServer GS 40/80/160/320 SMP based on the EV67 core. 289 290endchoice 291 292# clear all implied options (don't want default values for those): 293# Most of these machines have ISA slots; not exactly sure which don't, 294# and this doesn't activate hordes of code, so do it always. 295config ISA 296 bool 297 default y 298 help 299 Find out whether you have ISA slots on your motherboard. ISA is the 300 name of a bus system, i.e. the way the CPU talks to the other stuff 301 inside your box. Other bus systems are PCI, EISA, MicroChannel 302 (MCA) or VESA. ISA is an older system, now being displaced by PCI; 303 newer boards don't support it. If you have ISA, say Y, otherwise N. 304 305config ISA_DMA_API 306 bool 307 default y 308 309config PCI 310 bool 311 depends on !ALPHA_JENSEN 312 default y 313 help 314 Find out whether you have a PCI motherboard. PCI is the name of a 315 bus system, i.e. the way the CPU talks to the other stuff inside 316 your box. Other bus systems are ISA, EISA, MicroChannel (MCA) or 317 VESA. If you have PCI, say Y, otherwise N. 318 319 The PCI-HOWTO, available from 320 <http://www.tldp.org/docs.html#howto>, contains valuable 321 information about which PCI hardware does work under Linux and which 322 doesn't. 323 324config PCI_DOMAINS 325 bool 326 default y 327 328config ALPHA_CORE_AGP 329 bool 330 depends on ALPHA_GENERIC || ALPHA_TITAN || ALPHA_MARVEL 331 default y 332 333config ALPHA_NONAME 334 bool 335 depends on ALPHA_BOOK1 || ALPHA_NONAME_CH 336 default y 337 help 338 The AXPpci33 (aka NoName), is based on the EB66 (includes the Multia 339 UDB). This design was produced by Digital's Technical OEM (TOEM) 340 group. It uses the 21066 processor running at 166MHz or 233MHz. It 341 is a baby-AT size, and runs from a standard PC power supply. It has 342 5 ISA slots and 3 PCI slots (one pair are a shared slot). There are 343 2 versions, with either PS/2 or large DIN connectors for the 344 keyboard. 345 346config ALPHA_EV4 347 bool 348 depends on ALPHA_JENSEN || (ALPHA_SABLE && !ALPHA_GAMMA) || ALPHA_LYNX || ALPHA_NORITAKE && !ALPHA_PRIMO || ALPHA_MIKASA && !ALPHA_PRIMO || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL || ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 349 default y if !ALPHA_LYNX 350 351config ALPHA_LCA 352 bool 353 depends on ALPHA_NONAME || ALPHA_EB66 || ALPHA_EB66P || ALPHA_P2K 354 default y 355 356config ALPHA_APECS 357 bool 358 depends on !ALPHA_PRIMO && (ALPHA_NORITAKE || ALPHA_MIKASA) || ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P_CH || ALPHA_XL 359 default y 360 361config ALPHA_EB64P 362 bool 363 depends on ALPHA_CABRIOLET || ALPHA_EB64P_CH 364 default y 365 help 366 Uses 21064 or 21064A and APECs. Has ISA and PCI expansion (3 ISA, 367 2 PCI, one pair are on a shared slot). Supports 36-bit DRAM SIMs. 368 ISA bus generated by Intel SaturnI/O PCI-ISA bridge. On-board SCSI 369 (NCR 810 on PCI) Ethernet (Digital 21040), KBD, MOUSE (PS2 style), 370 SuperI/O (2S, 1P, FD), RTC/NVRAM. Boot ROM is EPROM. PC-AT size. 371 Runs from standard PC power supply. 372 373config ALPHA_EV5 374 bool "EV5 CPU(s) (model 5/xxx)?" if ALPHA_LYNX 375 default y if ALPHA_RX164 || ALPHA_RAWHIDE || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_SABLE && ALPHA_GAMMA || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 376 377config ALPHA_EV4 378 bool 379 default y if ALPHA_LYNX && !ALPHA_EV5 380 381config ALPHA_CIA 382 bool 383 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_NORITAKE && ALPHA_PRIMO || ALPHA_MIKASA && ALPHA_PRIMO || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR 384 default y 385 386config ALPHA_EV56 387 bool "EV56 CPU (speed >= 366MHz)?" if ALPHA_ALCOR 388 default y if ALPHA_RX164 || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN || ALPHA_PC164 || ALPHA_TAKARA 389 390config ALPHA_EV56 391 prompt "EV56 CPU (speed >= 333MHz)?" 392 depends on ALPHA_NORITAKE || ALPHA_PRIMO 393 394config ALPHA_EV56 395 prompt "EV56 CPU (speed >= 400MHz)?" 396 depends on ALPHA_RAWHIDE 397 398config ALPHA_PRIMO 399 bool "EV5 CPU daughtercard (model 5/xxx)?" 400 depends on ALPHA_NORITAKE || ALPHA_MIKASA 401 help 402 Say Y if you have an AS 1000 5/xxx or an AS 1000A 5/xxx. 403 404config ALPHA_GAMMA 405 bool "EV5 CPU(s) (model 5/xxx)?" 406 depends on ALPHA_SABLE 407 help 408 Say Y if you have an AS 2000 5/xxx or an AS 2100 5/xxx. 409 410config ALPHA_GAMMA 411 bool 412 depends on ALPHA_LYNX 413 default y 414 415config ALPHA_T2 416 bool 417 depends on ALPHA_SABLE || ALPHA_LYNX 418 default y 419 420config ALPHA_PYXIS 421 bool 422 depends on ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_RUFFIAN 423 default y 424 425config ALPHA_EV6 426 bool 427 depends on ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER || ALPHA_MARVEL 428 default y 429 430config ALPHA_TSUNAMI 431 bool 432 depends on ALPHA_SHARK || ALPHA_DP264 || ALPHA_EIGER 433 default y 434 435config ALPHA_EV67 436 bool "EV67 (or later) CPU (speed > 600MHz)?" if ALPHA_DP264 || ALPHA_EIGER 437 default y if ALPHA_NAUTILUS || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 438 help 439 Is this a machine based on the EV67 core? If in doubt, select N here 440 and the machine will be treated as an EV6. 441 442config ALPHA_EV7 443 bool 444 depends on ALPHA_MARVEL 445 default y 446 447config ALPHA_MCPCIA 448 bool 449 depends on ALPHA_RAWHIDE 450 default y 451 452config ALPHA_POLARIS 453 bool 454 depends on ALPHA_RX164 455 default y 456 457config ALPHA_IRONGATE 458 bool 459 depends on ALPHA_NAUTILUS 460 default y 461 462config GENERIC_HWEIGHT 463 bool 464 default y if !ALPHA_EV67 465 466config ALPHA_AVANTI 467 bool 468 depends on ALPHA_XL || ALPHA_AVANTI_CH 469 default y 470 help 471 Avanti AS 200, AS 205, AS 250, AS 255, AS 300, and AS 400-based 472 Alphas. Info at 473 <http://www.unix-ag.org/Linux-Alpha/Architectures/Avanti.html>. 474 475config ALPHA_BROKEN_IRQ_MASK 476 bool 477 depends on ALPHA_GENERIC || ALPHA_PC164 478 default y 479 480config ALPHA_SRM 481 bool "Use SRM as bootloader" if ALPHA_CABRIOLET || ALPHA_AVANTI_CH || ALPHA_EB64P || ALPHA_PC164 || ALPHA_TAKARA || ALPHA_EB164 || ALPHA_ALCOR || ALPHA_MIATA || ALPHA_LX164 || ALPHA_SX164 || ALPHA_NAUTILUS || ALPHA_NONAME 482 default y if ALPHA_JENSEN || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_DP264 || ALPHA_RAWHIDE || ALPHA_EIGER || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_SHARK || ALPHA_MARVEL 483 ---help--- 484 There are two different types of booting firmware on Alphas: SRM, 485 which is command line driven, and ARC, which uses menus and arrow 486 keys. Details about the Linux/Alpha booting process are contained in 487 the Linux/Alpha FAQ, accessible on the WWW from 488 <http://www.alphalinux.org/>. 489 490 The usual way to load Linux on an Alpha machine is to use MILO 491 (a bootloader that lets you pass command line parameters to the 492 kernel just like lilo does for the x86 architecture) which can be 493 loaded either from ARC or can be installed directly as a permanent 494 firmware replacement from floppy (which requires changing a certain 495 jumper on the motherboard). If you want to do either of these, say N 496 here. If MILO doesn't work on your system (true for Jensen 497 motherboards), you can bypass it altogether and boot Linux directly 498 from an SRM console; say Y here in order to do that. Note that you 499 won't be able to boot from an IDE disk using SRM. 500 501 If unsure, say N. 502 503config EISA 504 bool 505 depends on ALPHA_GENERIC || ALPHA_JENSEN || ALPHA_ALCOR || ALPHA_MIKASA || ALPHA_SABLE || ALPHA_LYNX || ALPHA_NORITAKE || ALPHA_RAWHIDE 506 default y 507 508config ARCH_MAY_HAVE_PC_FDC 509 def_bool y 510 511config SMP 512 bool "Symmetric multi-processing support" 513 depends on ALPHA_SABLE || ALPHA_LYNX || ALPHA_RAWHIDE || ALPHA_DP264 || ALPHA_WILDFIRE || ALPHA_TITAN || ALPHA_GENERIC || ALPHA_SHARK || ALPHA_MARVEL 514 ---help--- 515 This enables support for systems with more than one CPU. If you have 516 a system with only one CPU, like most personal computers, say N. If 517 you have a system with more than one CPU, say Y. 518 519 If you say N here, the kernel will run on single and multiprocessor 520 machines, but will use only one CPU of a multiprocessor machine. If 521 you say Y here, the kernel will run on many, but not all, 522 singleprocessor machines. On a singleprocessor machine, the kernel 523 will run faster if you say N here. 524 525 See also the <file:Documentation/smp.txt>, and the SMP-HOWTO 526 available at <http://www.tldp.org/docs.html#howto>. 527 528 If you don't know what to do here, say N. 529 530config HAVE_DEC_LOCK 531 bool 532 depends on SMP 533 default y 534 535config NR_CPUS 536 int "Maximum number of CPUs (2-64)" 537 range 2 64 538 depends on SMP 539 default "64" 540 541config ARCH_DISCONTIGMEM_ENABLE 542 bool "Discontiguous Memory Support (EXPERIMENTAL)" 543 depends on EXPERIMENTAL 544 help 545 Say Y to support efficient handling of discontiguous physical memory, 546 for architectures which are either NUMA (Non-Uniform Memory Access) 547 or have huge holes in the physical address space for other reasons. 548 See <file:Documentation/vm/numa> for more. 549 550source "mm/Kconfig" 551 552config NUMA 553 bool "NUMA Support (EXPERIMENTAL)" 554 depends on DISCONTIGMEM && BROKEN 555 help 556 Say Y to compile the kernel to support NUMA (Non-Uniform Memory 557 Access). This option is for configuring high-end multiprocessor 558 server machines. If in doubt, say N. 559 560config NODES_SHIFT 561 int 562 default "7" 563 depends on NEED_MULTIPLE_NODES 564 565# LARGE_VMALLOC is racy, if you *really* need it then fix it first 566config ALPHA_LARGE_VMALLOC 567 bool 568 ---help--- 569 Process creation and other aspects of virtual memory management can 570 be streamlined if we restrict the kernel to one PGD for all vmalloc 571 allocations. This equates to about 8GB. 572 573 Under normal circumstances, this is so far and above what is needed 574 as to be laughable. However, there are certain applications (such 575 as benchmark-grade in-kernel web serving) that can make use of as 576 much vmalloc space as is available. 577 578 Say N unless you know you need gobs and gobs of vmalloc space. 579 580config VERBOSE_MCHECK 581 bool "Verbose Machine Checks" 582 583config VERBOSE_MCHECK_ON 584 int "Verbose Printing Mode (0=off, 1=on, 2=all)" 585 depends on VERBOSE_MCHECK 586 default 1 587 ---help--- 588 This option allows the default printing mode to be set, and then 589 possibly overridden by a boot command argument. 590 591 For example, if one wanted the option of printing verbose 592 machine checks, but wanted the default to be as if verbose 593 machine check printing was turned off, then one would choose 594 the printing mode to be 0. Then, upon reboot, one could add 595 the boot command line "verbose_mcheck=1" to get the normal 596 verbose machine check printing, or "verbose_mcheck=2" to get 597 the maximum information available. 598 599 Take the default (1) unless you want more control or more info. 600 601source "drivers/pci/Kconfig" 602source "drivers/eisa/Kconfig" 603 604source "drivers/pcmcia/Kconfig" 605 606config SRM_ENV 607 tristate "SRM environment through procfs" 608 depends on PROC_FS 609 ---help--- 610 If you enable this option, a subdirectory inside /proc called 611 /proc/srm_environment will give you access to the all important 612 SRM environment variables (those which have a name) and also 613 to all others (by their internal number). 614 615 SRM is something like a BIOS for Alpha machines. There are some 616 other such BIOSes, like AlphaBIOS, which this driver cannot 617 support (hey, that's not SRM!). 618 619 Despite the fact that this driver doesn't work on all Alphas (but 620 only on those which have SRM as their firmware), it's save to 621 build it even if your particular machine doesn't know about SRM 622 (or if you intend to compile a generic kernel). It will simply 623 not create those subdirectory in /proc (and give you some warning, 624 of course). 625 626 This driver is also available as a module and will be called 627 srm_env then. 628 629source "fs/Kconfig.binfmt" 630 631endmenu 632 633source "net/Kconfig" 634 635source "drivers/Kconfig" 636 637source "fs/Kconfig" 638 639source "arch/alpha/oprofile/Kconfig" 640 641source "arch/alpha/Kconfig.debug" 642 643source "security/Kconfig" 644 645source "crypto/Kconfig" 646 647source "lib/Kconfig" 648 649